<template>
<div class="sku_con">
	<el-table
	    :data="skus"
	    border
	    style="width:95.2%;margin:0px auto;" size="medium" >
	    <el-table-column
	      prop="id"
	      label="id"
	      width="100">
	    </el-table-column>
	    <el-table-column
	      prop="name"
	      label="商品SKU名">
	    </el-table-column>
	    <el-table-column
	      prop="price"
	      label="价格">
	    </el-table-column>
	    <el-table-column
	      prop="stock"
	      label="库存">
	    </el-table-column>
	    <el-table-column
	      prop="sales"
	      label="销量">
	    </el-table-column>
	    <el-table-column
	      prop="category"
	      label="分类">
	    </el-table-column>
	    <el-table-column
	      label="上下架">
	      <template slot-scope="scope">
	        <span>{{ scope.row.is_launched?'上架':'下架' }}</span>
	      </template>
	    </el-table-column>
	    <el-table-column
	      label="操作">
	        <template slot-scope="scope">
	          <el-button
	            size="mini"
	            @click="fnPopShow(scope.row.id,scope.row.spu_id)">修改</el-button>
	          <el-button
	            size="mini"
	            type="danger"
	            @click="fnDelSku(scope.row.id)">删除</el-button>
	        </template>
	    </el-table-column>
	 </el-table>

	 <el-dialog title="修改商品" :visible.sync="pop_show" append-to-body width="60%">
        <el-form :model="skuForm" :inline="true" status-icon ref="userForm" label-width="100px">
          <el-form-item label="名称:" prop="name">
            <el-input type="text" v-model="skuForm.name" autocomplete="off" size="small"></el-input>
          </el-form-item>
          <el-form-item label="副标题:" prop="caption">
            <el-input type="text" v-model="skuForm.caption" autocomplete="off" size="small"></el-input>
          </el-form-item>
          <el-form-item label="价格:" prop="price">
            <el-input type="text" v-model="skuForm.price" autocomplete="off" size="small"></el-input>
          </el-form-item>
          <el-form-item label="进价:" prop="cost_price">
            <el-input type="text" v-model="skuForm.cost_price" autocomplete="off" size="small"></el-input>
          </el-form-item>
          <el-form-item label="市场价:" prop="market_price">
            <el-input type="text" v-model="skuForm.market_price" autocomplete="off" size="small"></el-input>
          </el-form-item>
          <el-form-item label="库存:" prop="stock">
            <el-input type="text" v-model="skuForm.stock" autocomplete="off" size="small"></el-input>
          </el-form-item>
          <el-form-item label="分类:" prop="category_id">
            <el-select v-model="skuForm.category_id" size="small">
              <el-option
                v-for="item in category_list"
                :key="item.id"
                :label="item.name"
                :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="上下架:" prop="is_launched">
            <el-radio v-model="skuForm.is_launched" :label="true">是</el-radio>
            <el-radio v-model="skuForm.is_launched" :label="false">否</el-radio>
          </el-form-item>
          <el-form-item label="SPU" prop="spu_id">
            <el-select v-model="skuForm.spu_id" size="small" @change="skuForm.specs={}">
              <el-option
                v-for="item in goods_list"
                :key="item.id"
                :label="item.name"
                :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>
          <el-form-item v-for="item in specs_list" :label="item.name" :key="item.id">
            <el-select v-model="skuForm.specs[item.id]" size="small">
              <el-option
                v-for="opt in item.options"
                :key="opt.id"
                :label="opt.value"
                :value="opt.id">
              </el-option>
            </el-select>
          </el-form-item><br>
          <el-form-item>
            <el-button type="primary" @click="submitForm">提交</el-button>
            <el-button @click="pop_show=false">取消</el-button>
          </el-form-item>
        </el-form>
      </el-dialog>		
</div>
</template>

<script>
import cons from '@/components/constant';
let token = localStorage.token;
export default {
  name: 'SkuTable',
  props:['skus'],
  data () {       
    return {
      pop_show:false,
      edit_id:'',
      skuForm:{
        "name": '',
        "spu_id":'',
        "caption": '',
        "category_id": '',
        "price": '',
        "cost_price":'',
        "market_price":'',
        "stock": '',
        "is_launched":'',
        "specs":{}
      },
      category_list:[],
      goods_list:[],
      specs_list:[],
    }
  },
  methods:{
  	fnGetCategory(){
      this.axios.get(cons.apis + '/skus/categories/', {
        headers: {
          'Authorization': 'JWT ' + token
        },
        responseType: 'json',
      })
      .then(dat=>{
          this.category_list = dat.data;        
      }).catch(err=>{      
         console.log(err.response);
      });
    },
    fnGetGoods(){
      this.axios.get(cons.apis + '/goods/simple/', {
        headers: {
          'Authorization': 'JWT ' + token
        },
        responseType: 'json',
      })
      .then(dat=>{
          this.goods_list = dat.data;        
      }).catch(err=>{      
         console.log(err.response);
      });
    },
    fnGetSpecs(){
      this.axios.get(cons.apis + '/goods/'+ this.skuForm.spu_id + '/specs/', {
        headers: {
          'Authorization': 'JWT ' + token
        },
        responseType: 'json',
      })
      .then(dat=>{
          this.specs_list = dat.data;       
      }).catch(err=>{      
         console.log(err.response);
      });
    },
  	fnPopShow(id,gid){
  	  this.axios.get(cons.apis + '/goods/'+ gid + '/specs/', {
        headers: {
          'Authorization': 'JWT ' + token
        },
        responseType: 'json',
      })
      .then(dat=>{
          this.specs_list = dat.data;

          this.axios.get(cons.apis + '/skus/'+ id + '/', {
	        headers: {
	          'Authorization': 'JWT ' + token
	        },
	        responseType: 'json',
	      })
	      .then(dat=>{
	      	this.edit_id = dat.data.id;	      	
	        this.skuForm.name = dat.data.name;
		    this.skuForm.spu_id = dat.data.spu_id;
		    this.skuForm.caption = dat.data.caption;
		    this.skuForm.category_id = dat.data.category_id;
		    this.skuForm.price = dat.data.price;
		    this.skuForm.cost_price = dat.data.cost_price;
		    this.skuForm.market_price = dat.data.market_price;
		    this.skuForm.stock = dat.data.stock;
		    this.skuForm.is_launched = dat.data.is_launched;		    

		    var specs_data_list = {};
		    for(var i=0;i<dat.data.specs.length;i++){
		    	specs_data_list[dat.data.specs[i].spec_id] = dat.data.specs[i].option_id;  	
		    }
		    this.skuForm.specs =specs_data_list;
		    this.pop_show = true;

	      }).catch(err=>{      
	         console.log(err.response);
	      });
      }).catch(err=>{      
         console.log(err.response);
      });    
  	},
  	submitForm(){
       var specs_sub_list = [];
       for(var k in this.skuForm.specs){
          specs_sub_list.push({'spec_id':k,'option_id':this.skuForm.specs[k]})
       }       
       this.axios.put(cons.apis + '/skus/'+this.edit_id+'/',{
              "name":this.skuForm.name,
              "spu_id":this.skuForm.spu_id,
              "caption":this.skuForm.caption,
              "category_id": this.skuForm.category_id,
              "price": this.skuForm.price,
              "cost_price": this.skuForm.cost_price,
              "market_price": this.skuForm.market_price,
              "stock": this.skuForm.stock,
              "is_launched": this.skuForm.is_launched,
              "specs":specs_sub_list
            },{
            headers: {
              'Authorization': 'JWT ' + token
            },
            responseType: 'json'           
        })
        .then(dat=>{
            console.log(dat);
              this.$message({
                type: 'success',
                message: '商品修改成功!'
              });
              this.pop_show = false;
              this.$emit('fnResetTable');                        
        }).catch(err=>{
           if(err.response.status==400){
               this.$message({
                  type:'info',
                  message:err.response.data.name[0]
              });
           }          
        }); 
    },
    fnDelSku(id){
        this.edit_id = id;
        this.$confirm('此操作将删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.axios.delete(cons.apis + '/skus/'+this.edit_id+'/',{
              headers: {
                'Authorization': 'JWT ' + token
              },
              responseType:'json'           
          }).then(dat=>{
            this.$message({
              type: 'success',
              message: '删除成功!'
            });
            this.$emit('fnResetTable');
          }).catch(err=>{
            if(err.response.status==404){
               this.$message({
                  type:'info',
                  message:'商品未找到！'
               });
            }
          })
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          });          
        });     
    }
  },  
  computed:{
     look_good_id(){
       return this.skuForm.spu_id
     }
  },
  watch:{
    look_good_id(newVal,oldVal){
       this.fnGetSpecs();
    }
  },
  mounted(){
    this.fnGetCategory();
    this.fnGetGoods();
  },
}
</script>
<style>
	.el-button+.el-button{
		margin-left:0px;
		margin-top:10px;
	}
</style>
